Saint David's

The cathedral sits in a dip of land just outside Ammanford, which throws most visitors off at first - you're expecting something grand on a hilltop, not tucked away in a valley. But that's precisely what makes it work. Saint David's is Wales's oldest cathedral, dating back to the 6th century when the man himself supposedly founded a monastery here, and the building you see today has absorbed centuries of additions and rebuilds without ever feeling overwrought.

Inside, it's all soaring stone and soft light filtered through decent stained glass. The nave runs long and clean, and there's genuine atmosphere - the kind you can't manufacture. You'll spot medieval tombs, timber roof work that's genuinely impressive, and various bits of carved stone that speak to its age. Allow forty minutes to an hour to look around properly without rushing.

It works best for people interested in Welsh religious history or those after something quieter than the tourist mill at other major cathedrals. Families with children under twelve might find an hour enough; walkers using it as a stopping point on a longer route through Carmarthenshire will appreciate the spot. The location near Ammanford makes it easy to pair with a week at River View Touring Park - only a short drive away - if you're building a proper touring holiday around South Wales's churches and countryside.

Access appears straightforward, though it's worth checking opening times before you go. Admission details aren't widely publicised online, so ring ahead to be certain.